Home / 132,149.48-198,093.90-84,629.61

Finding the Fourth Proportional to 132,149.48, 198,093.90 and 84,629.61

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Solution

The fourth proportional to 132,149.48, 198,093.90 and 84,629.61 is: 126,860.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,149.48 : 198,093.90 = 84,629.61 : x
  2. Step 2: Convert to fraction form
    132,149.48/198,093.90 = 84,629.61/x
  3. Step 3: Cross multiply
    132,149.48x = 198,093.90 × 84,629.61
  4. Step 4: Simplify right side
    132,149.48x = 16,764,609,817.74
  5. Step 5: Solve for x
    x = 16,764,609,817.74/132,149.48
  6. Step 6: Final answer
    x = 126,860.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.